./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 624ca078114fa3c35bb1960efece3c50cba0d03b97522c4936fd5f6e5d783f29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:51,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:51,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 08:06:51,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:51,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:51,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:51,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:51,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:51,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:51,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:51,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:51,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:51,575 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:51,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:51,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:51,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:51,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:51,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:51,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:51,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:51,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:51,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:51,580 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 08:06:51,580 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:06:51,581 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:51,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:51,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:51,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:51,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:51,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:51,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:51,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:51,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:51,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:51,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:51,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:51,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:51,586 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:51,586 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:51,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:51,586 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:51,587 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 624ca078114fa3c35bb1960efece3c50cba0d03b97522c4936fd5f6e5d783f29 [2023-11-19 08:06:51,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:51,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:51,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:51,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:51,884 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:51,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/unroll-5.wvr.c [2023-11-19 08:06:55,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:55,350 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:55,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/sv-benchmarks/c/weaver/unroll-5.wvr.c [2023-11-19 08:06:55,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/data/f8e209e74/d2637e17683f4ac2bcd08329509d71f2/FLAG9d669edcd [2023-11-19 08:06:55,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/data/f8e209e74/d2637e17683f4ac2bcd08329509d71f2 [2023-11-19 08:06:55,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:55,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:55,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:55,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:55,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:55,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce1b29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55, skipping insertion in model container [2023-11-19 08:06:55,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:55,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:55,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:55,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:55,735 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:55,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55 WrapperNode [2023-11-19 08:06:55,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:55,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:55,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:55,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:55,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,809 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 352 [2023-11-19 08:06:55,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:55,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:55,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:55,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:55,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:55,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:55,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:55,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:55,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (1/1) ... [2023-11-19 08:06:55,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:55,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:55,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:55,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:06:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:06:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:06:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:06:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:06:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:06:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:06:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:06:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:06:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:06:56,004 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:06:56,179 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:56,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:56,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:56,911 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:56,911 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 08:06:56,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:56 BoogieIcfgContainer [2023-11-19 08:06:56,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:56,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:56,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:56,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:56,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:55" (1/3) ... [2023-11-19 08:06:56,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9c8025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:56, skipping insertion in model container [2023-11-19 08:06:56,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:55" (2/3) ... [2023-11-19 08:06:56,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a9c8025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:56, skipping insertion in model container [2023-11-19 08:06:56,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:56" (3/3) ... [2023-11-19 08:06:56,928 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2023-11-19 08:06:56,937 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:06:56,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:56,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2023-11-19 08:06:56,949 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:06:57,112 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 08:06:57,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 443 places, 459 transitions, 932 flow [2023-11-19 08:06:57,412 INFO L124 PetriNetUnfolderBase]: 23/457 cut-off events. [2023-11-19 08:06:57,412 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:06:57,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 457 events. 23/457 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 601 event pairs, 0 based on Foata normal form. 0/379 useless extension candidates. Maximal degree in co-relation 309. Up to 2 conditions per place. [2023-11-19 08:06:57,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 443 places, 459 transitions, 932 flow [2023-11-19 08:06:57,438 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 421 places, 436 transitions, 884 flow [2023-11-19 08:06:57,442 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:06:57,451 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 421 places, 436 transitions, 884 flow [2023-11-19 08:06:57,453 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 421 places, 436 transitions, 884 flow [2023-11-19 08:06:57,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 421 places, 436 transitions, 884 flow [2023-11-19 08:06:57,570 INFO L124 PetriNetUnfolderBase]: 22/436 cut-off events. [2023-11-19 08:06:57,570 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:06:57,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 436 events. 22/436 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 538 event pairs, 0 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 309. Up to 2 conditions per place. [2023-11-19 08:06:57,597 INFO L119 LiptonReduction]: Number of co-enabled transitions 35960 [2023-11-19 08:07:08,175 INFO L134 LiptonReduction]: Checked pairs total: 135458 [2023-11-19 08:07:08,175 INFO L136 LiptonReduction]: Total number of compositions: 460 [2023-11-19 08:07:08,192 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:07:08,199 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5de1f785, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:07:08,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2023-11-19 08:07:08,201 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:07:08,201 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 08:07:08,201 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:07:08,202 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:08,202 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 08:07:08,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:08,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:08,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1765, now seen corresponding path program 1 times [2023-11-19 08:07:08,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:08,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009843833] [2023-11-19 08:07:08,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:08,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:08,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:08,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009843833] [2023-11-19 08:07:08,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009843833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:08,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:08,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 08:07:08,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495027271] [2023-11-19 08:07:08,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:08,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:07:08,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:08,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:07:08,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:07:08,371 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 440 out of 919 [2023-11-19 08:07:08,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 144 transitions, 300 flow. Second operand has 2 states, 2 states have (on average 440.5) internal successors, (881), 2 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:08,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:08,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 440 of 919 [2023-11-19 08:07:08,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:08,888 INFO L124 PetriNetUnfolderBase]: 1012/2534 cut-off events. [2023-11-19 08:07:08,888 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-11-19 08:07:08,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4222 conditions, 2534 events. 1012/2534 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 16104 event pairs, 807 based on Foata normal form. 260/2534 useless extension candidates. Maximal degree in co-relation 3821. Up to 1634 conditions per place. [2023-11-19 08:07:08,911 INFO L140 encePairwiseOnDemand]: 882/919 looper letters, 52 selfloop transitions, 0 changer transitions 1/107 dead transitions. [2023-11-19 08:07:08,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 107 transitions, 332 flow [2023-11-19 08:07:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:07:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 08:07:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 970 transitions. [2023-11-19 08:07:08,937 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5277475516866159 [2023-11-19 08:07:08,938 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 970 transitions. [2023-11-19 08:07:08,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 970 transitions. [2023-11-19 08:07:08,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:08,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 970 transitions. [2023-11-19 08:07:08,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 485.0) internal successors, (970), 2 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:08,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 919.0) internal successors, (2757), 3 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:08,970 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 919.0) internal successors, (2757), 3 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:08,972 INFO L175 Difference]: Start difference. First operand has 140 places, 144 transitions, 300 flow. Second operand 2 states and 970 transitions. [2023-11-19 08:07:08,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 107 transitions, 332 flow [2023-11-19 08:07:08,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 107 transitions, 324 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:07:08,984 INFO L231 Difference]: Finished difference. Result has 104 places, 106 transitions, 215 flow [2023-11-19 08:07:08,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=215, PETRI_PLACES=104, PETRI_TRANSITIONS=106} [2023-11-19 08:07:08,991 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2023-11-19 08:07:08,992 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 106 transitions, 215 flow [2023-11-19 08:07:08,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 440.5) internal successors, (881), 2 states have internal predecessors, (881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:08,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:08,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:07:08,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:07:08,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:08,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:08,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1629838183, now seen corresponding path program 1 times [2023-11-19 08:07:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:08,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776794337] [2023-11-19 08:07:08,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:08,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:09,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:09,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776794337] [2023-11-19 08:07:09,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776794337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:09,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:09,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:09,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160169945] [2023-11-19 08:07:09,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:09,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:09,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:09,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:09,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:09,194 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 430 out of 919 [2023-11-19 08:07:09,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 106 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:09,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:09,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 430 of 919 [2023-11-19 08:07:09,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:09,615 INFO L124 PetriNetUnfolderBase]: 1144/2733 cut-off events. [2023-11-19 08:07:09,615 INFO L125 PetriNetUnfolderBase]: For 31/70 co-relation queries the response was YES. [2023-11-19 08:07:09,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4595 conditions, 2733 events. 1144/2733 cut-off events. For 31/70 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 16278 event pairs, 927 based on Foata normal form. 0/2488 useless extension candidates. Maximal degree in co-relation 4592. Up to 1846 conditions per place. [2023-11-19 08:07:09,638 INFO L140 encePairwiseOnDemand]: 916/919 looper letters, 53 selfloop transitions, 1 changer transitions 0/104 dead transitions. [2023-11-19 08:07:09,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 104 transitions, 319 flow [2023-11-19 08:07:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1346 transitions. [2023-11-19 08:07:09,645 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4882118244468625 [2023-11-19 08:07:09,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1346 transitions. [2023-11-19 08:07:09,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1346 transitions. [2023-11-19 08:07:09,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:09,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1346 transitions. [2023-11-19 08:07:09,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 448.6666666666667) internal successors, (1346), 3 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:09,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:09,663 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:09,664 INFO L175 Difference]: Start difference. First operand has 104 places, 106 transitions, 215 flow. Second operand 3 states and 1346 transitions. [2023-11-19 08:07:09,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 104 transitions, 319 flow [2023-11-19 08:07:09,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 104 transitions, 319 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:07:09,669 INFO L231 Difference]: Finished difference. Result has 103 places, 104 transitions, 213 flow [2023-11-19 08:07:09,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=103, PETRI_TRANSITIONS=104} [2023-11-19 08:07:09,670 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -37 predicate places. [2023-11-19 08:07:09,670 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 104 transitions, 213 flow [2023-11-19 08:07:09,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:09,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:09,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:09,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:07:09,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:09,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:09,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1388050100, now seen corresponding path program 1 times [2023-11-19 08:07:09,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:09,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553477362] [2023-11-19 08:07:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:09,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:09,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:09,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553477362] [2023-11-19 08:07:09,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553477362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:09,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:09,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:09,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107662534] [2023-11-19 08:07:09,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:09,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:09,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:09,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:09,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:09,829 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 919 [2023-11-19 08:07:09,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 104 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:09,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:09,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 919 [2023-11-19 08:07:09,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:10,239 INFO L124 PetriNetUnfolderBase]: 1043/2490 cut-off events. [2023-11-19 08:07:10,239 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-19 08:07:10,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4188 conditions, 2490 events. 1043/2490 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 15282 event pairs, 834 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 4184. Up to 1683 conditions per place. [2023-11-19 08:07:10,259 INFO L140 encePairwiseOnDemand]: 912/919 looper letters, 52 selfloop transitions, 1 changer transitions 0/98 dead transitions. [2023-11-19 08:07:10,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 98 transitions, 307 flow [2023-11-19 08:07:10,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1304 transitions. [2023-11-19 08:07:10,265 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4729778745012695 [2023-11-19 08:07:10,265 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1304 transitions. [2023-11-19 08:07:10,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1304 transitions. [2023-11-19 08:07:10,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:10,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1304 transitions. [2023-11-19 08:07:10,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:10,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:10,281 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:10,281 INFO L175 Difference]: Start difference. First operand has 103 places, 104 transitions, 213 flow. Second operand 3 states and 1304 transitions. [2023-11-19 08:07:10,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 98 transitions, 307 flow [2023-11-19 08:07:10,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 306 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:10,287 INFO L231 Difference]: Finished difference. Result has 98 places, 98 transitions, 202 flow [2023-11-19 08:07:10,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=98, PETRI_TRANSITIONS=98} [2023-11-19 08:07:10,289 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -42 predicate places. [2023-11-19 08:07:10,289 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 98 transitions, 202 flow [2023-11-19 08:07:10,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:10,291 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:10,291 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:10,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:07:10,295 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:10,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:10,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1387857518, now seen corresponding path program 1 times [2023-11-19 08:07:10,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:10,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476737998] [2023-11-19 08:07:10,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:10,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:10,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476737998] [2023-11-19 08:07:10,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476737998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:10,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:10,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:10,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619112594] [2023-11-19 08:07:10,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:10,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:10,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:10,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:10,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:10,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 438 out of 919 [2023-11-19 08:07:10,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 98 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 440.0) internal successors, (1320), 3 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:10,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:10,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 438 of 919 [2023-11-19 08:07:10,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:11,083 INFO L124 PetriNetUnfolderBase]: 1862/4412 cut-off events. [2023-11-19 08:07:11,083 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-19 08:07:11,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7474 conditions, 4412 events. 1862/4412 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 30729 event pairs, 807 based on Foata normal form. 0/3992 useless extension candidates. Maximal degree in co-relation 7470. Up to 1531 conditions per place. [2023-11-19 08:07:11,118 INFO L140 encePairwiseOnDemand]: 916/919 looper letters, 96 selfloop transitions, 2 changer transitions 0/144 dead transitions. [2023-11-19 08:07:11,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 144 transitions, 492 flow [2023-11-19 08:07:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:11,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1413 transitions. [2023-11-19 08:07:11,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5125136017410229 [2023-11-19 08:07:11,124 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1413 transitions. [2023-11-19 08:07:11,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1413 transitions. [2023-11-19 08:07:11,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:11,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1413 transitions. [2023-11-19 08:07:11,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 471.0) internal successors, (1413), 3 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,141 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,142 INFO L175 Difference]: Start difference. First operand has 98 places, 98 transitions, 202 flow. Second operand 3 states and 1413 transitions. [2023-11-19 08:07:11,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 144 transitions, 492 flow [2023-11-19 08:07:11,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 144 transitions, 491 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:11,146 INFO L231 Difference]: Finished difference. Result has 100 places, 99 transitions, 213 flow [2023-11-19 08:07:11,147 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=100, PETRI_TRANSITIONS=99} [2023-11-19 08:07:11,147 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -40 predicate places. [2023-11-19 08:07:11,148 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 99 transitions, 213 flow [2023-11-19 08:07:11,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 440.0) internal successors, (1320), 3 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,149 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:11,149 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:11,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:07:11,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:11,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:11,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1400241006, now seen corresponding path program 1 times [2023-11-19 08:07:11,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:11,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249156120] [2023-11-19 08:07:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:11,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:11,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:11,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249156120] [2023-11-19 08:07:11,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249156120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:11,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:11,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:11,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790438722] [2023-11-19 08:07:11,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:11,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:11,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:11,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:11,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:11,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 919 [2023-11-19 08:07:11,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 99 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:11,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:11,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 919 [2023-11-19 08:07:11,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:12,148 INFO L124 PetriNetUnfolderBase]: 2261/5332 cut-off events. [2023-11-19 08:07:12,148 INFO L125 PetriNetUnfolderBase]: For 296/296 co-relation queries the response was YES. [2023-11-19 08:07:12,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9365 conditions, 5332 events. 2261/5332 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 36726 event pairs, 419 based on Foata normal form. 0/4931 useless extension candidates. Maximal degree in co-relation 9360. Up to 2908 conditions per place. [2023-11-19 08:07:12,185 INFO L140 encePairwiseOnDemand]: 916/919 looper letters, 72 selfloop transitions, 2 changer transitions 0/120 dead transitions. [2023-11-19 08:07:12,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 120 transitions, 411 flow [2023-11-19 08:07:12,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:12,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1375 transitions. [2023-11-19 08:07:12,191 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4987305041712006 [2023-11-19 08:07:12,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1375 transitions. [2023-11-19 08:07:12,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1375 transitions. [2023-11-19 08:07:12,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:12,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1375 transitions. [2023-11-19 08:07:12,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,207 INFO L175 Difference]: Start difference. First operand has 100 places, 99 transitions, 213 flow. Second operand 3 states and 1375 transitions. [2023-11-19 08:07:12,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 120 transitions, 411 flow [2023-11-19 08:07:12,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 120 transitions, 408 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:12,212 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 223 flow [2023-11-19 08:07:12,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=223, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2023-11-19 08:07:12,213 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -38 predicate places. [2023-11-19 08:07:12,213 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 223 flow [2023-11-19 08:07:12,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.6666666666667) internal successors, (1310), 3 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:12,215 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:12,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:07:12,216 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:12,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1223859599, now seen corresponding path program 1 times [2023-11-19 08:07:12,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:12,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803533872] [2023-11-19 08:07:12,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:07:12,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:12,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803533872] [2023-11-19 08:07:12,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803533872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:12,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:12,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:12,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781209983] [2023-11-19 08:07:12,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:12,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:12,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:12,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:12,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:12,367 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 434 out of 919 [2023-11-19 08:07:12,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 436.0) internal successors, (1308), 3 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:12,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:12,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 434 of 919 [2023-11-19 08:07:12,370 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:13,081 INFO L124 PetriNetUnfolderBase]: 2261/5343 cut-off events. [2023-11-19 08:07:13,081 INFO L125 PetriNetUnfolderBase]: For 410/410 co-relation queries the response was YES. [2023-11-19 08:07:13,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9455 conditions, 5343 events. 2261/5343 cut-off events. For 410/410 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 36966 event pairs, 1956 based on Foata normal form. 0/4978 useless extension candidates. Maximal degree in co-relation 9449. Up to 3704 conditions per place. [2023-11-19 08:07:13,120 INFO L140 encePairwiseOnDemand]: 916/919 looper letters, 53 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2023-11-19 08:07:13,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 335 flow [2023-11-19 08:07:13,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1356 transitions. [2023-11-19 08:07:13,126 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49183895538628947 [2023-11-19 08:07:13,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1356 transitions. [2023-11-19 08:07:13,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1356 transitions. [2023-11-19 08:07:13,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:13,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1356 transitions. [2023-11-19 08:07:13,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 452.0) internal successors, (1356), 3 states have internal predecessors, (1356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,208 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,208 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 223 flow. Second operand 3 states and 1356 transitions. [2023-11-19 08:07:13,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 335 flow [2023-11-19 08:07:13,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 333 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:13,212 INFO L231 Difference]: Finished difference. Result has 104 places, 101 transitions, 233 flow [2023-11-19 08:07:13,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=104, PETRI_TRANSITIONS=101} [2023-11-19 08:07:13,229 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2023-11-19 08:07:13,229 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 101 transitions, 233 flow [2023-11-19 08:07:13,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 436.0) internal successors, (1308), 3 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:13,231 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:13,231 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:13,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:07:13,231 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:13,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash -923072140, now seen corresponding path program 1 times [2023-11-19 08:07:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:13,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600749995] [2023-11-19 08:07:13,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:13,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600749995] [2023-11-19 08:07:13,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600749995] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:13,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:13,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:13,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171753621] [2023-11-19 08:07:13,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:13,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:13,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:13,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:13,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:14,128 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 919 [2023-11-19 08:07:14,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 427.8333333333333) internal successors, (2567), 6 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:14,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:14,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 919 [2023-11-19 08:07:14,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:16,301 INFO L124 PetriNetUnfolderBase]: 7645/13885 cut-off events. [2023-11-19 08:07:16,301 INFO L125 PetriNetUnfolderBase]: For 1038/1038 co-relation queries the response was YES. [2023-11-19 08:07:16,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26513 conditions, 13885 events. 7645/13885 cut-off events. For 1038/1038 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 96705 event pairs, 1112 based on Foata normal form. 0/12972 useless extension candidates. Maximal degree in co-relation 26506. Up to 4258 conditions per place. [2023-11-19 08:07:16,377 INFO L140 encePairwiseOnDemand]: 914/919 looper letters, 235 selfloop transitions, 4 changer transitions 0/280 dead transitions. [2023-11-19 08:07:16,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 280 transitions, 1117 flow [2023-11-19 08:07:16,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2785 transitions. [2023-11-19 08:07:16,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5050779833151977 [2023-11-19 08:07:16,389 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2785 transitions. [2023-11-19 08:07:16,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2785 transitions. [2023-11-19 08:07:16,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:16,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2785 transitions. [2023-11-19 08:07:16,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 464.1666666666667) internal successors, (2785), 6 states have internal predecessors, (2785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:16,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:16,477 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:16,477 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 233 flow. Second operand 6 states and 2785 transitions. [2023-11-19 08:07:16,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 280 transitions, 1117 flow [2023-11-19 08:07:16,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 280 transitions, 1113 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 08:07:16,486 INFO L231 Difference]: Finished difference. Result has 107 places, 100 transitions, 235 flow [2023-11-19 08:07:16,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=235, PETRI_PLACES=107, PETRI_TRANSITIONS=100} [2023-11-19 08:07:16,487 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -33 predicate places. [2023-11-19 08:07:16,488 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 100 transitions, 235 flow [2023-11-19 08:07:16,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 427.8333333333333) internal successors, (2567), 6 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:16,489 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:16,489 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:16,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:07:16,490 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:16,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2120004289, now seen corresponding path program 1 times [2023-11-19 08:07:16,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:16,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827533947] [2023-11-19 08:07:16,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:16,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:16,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:16,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827533947] [2023-11-19 08:07:16,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827533947] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:16,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:16,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:07:16,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583030122] [2023-11-19 08:07:16,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:16,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:07:16,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:16,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:07:16,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:07:16,556 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 919 [2023-11-19 08:07:16,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 100 transitions, 235 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:16,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:16,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 919 [2023-11-19 08:07:16,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:17,388 INFO L124 PetriNetUnfolderBase]: 2318/5140 cut-off events. [2023-11-19 08:07:17,388 INFO L125 PetriNetUnfolderBase]: For 1061/1061 co-relation queries the response was YES. [2023-11-19 08:07:17,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10025 conditions, 5140 events. 2318/5140 cut-off events. For 1061/1061 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33743 event pairs, 813 based on Foata normal form. 0/4784 useless extension candidates. Maximal degree in co-relation 10018. Up to 3626 conditions per place. [2023-11-19 08:07:17,421 INFO L140 encePairwiseOnDemand]: 911/919 looper letters, 70 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2023-11-19 08:07:17,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 110 transitions, 403 flow [2023-11-19 08:07:17,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:07:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:07:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1338 transitions. [2023-11-19 08:07:17,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.485310119695321 [2023-11-19 08:07:17,428 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1338 transitions. [2023-11-19 08:07:17,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1338 transitions. [2023-11-19 08:07:17,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:17,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1338 transitions. [2023-11-19 08:07:17,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 446.0) internal successors, (1338), 3 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,442 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 919.0) internal successors, (3676), 4 states have internal predecessors, (3676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,442 INFO L175 Difference]: Start difference. First operand has 107 places, 100 transitions, 235 flow. Second operand 3 states and 1338 transitions. [2023-11-19 08:07:17,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 110 transitions, 403 flow [2023-11-19 08:07:17,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 110 transitions, 394 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:07:17,451 INFO L231 Difference]: Finished difference. Result has 100 places, 96 transitions, 230 flow [2023-11-19 08:07:17,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=100, PETRI_TRANSITIONS=96} [2023-11-19 08:07:17,455 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -40 predicate places. [2023-11-19 08:07:17,455 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 96 transitions, 230 flow [2023-11-19 08:07:17,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:17,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:17,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:17,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:07:17,457 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:17,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:17,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1880923662, now seen corresponding path program 1 times [2023-11-19 08:07:17,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:17,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125754283] [2023-11-19 08:07:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:17,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:17,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:17,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125754283] [2023-11-19 08:07:17,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125754283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:17,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:17,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:17,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843792452] [2023-11-19 08:07:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:17,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:17,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:17,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:18,429 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 919 [2023-11-19 08:07:18,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 96 transitions, 230 flow. Second operand has 6 states, 6 states have (on average 428.6666666666667) internal successors, (2572), 6 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:18,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:18,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 919 [2023-11-19 08:07:18,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:19,646 INFO L124 PetriNetUnfolderBase]: 3213/6472 cut-off events. [2023-11-19 08:07:19,647 INFO L125 PetriNetUnfolderBase]: For 489/489 co-relation queries the response was YES. [2023-11-19 08:07:19,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12472 conditions, 6472 events. 3213/6472 cut-off events. For 489/489 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 41669 event pairs, 1892 based on Foata normal form. 152/6221 useless extension candidates. Maximal degree in co-relation 12465. Up to 3705 conditions per place. [2023-11-19 08:07:19,694 INFO L140 encePairwiseOnDemand]: 913/919 looper letters, 203 selfloop transitions, 6 changer transitions 0/243 dead transitions. [2023-11-19 08:07:19,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 243 transitions, 978 flow [2023-11-19 08:07:19,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2757 transitions. [2023-11-19 08:07:19,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2023-11-19 08:07:19,705 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2757 transitions. [2023-11-19 08:07:19,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2757 transitions. [2023-11-19 08:07:19,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:19,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2757 transitions. [2023-11-19 08:07:19,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.5) internal successors, (2757), 6 states have internal predecessors, (2757), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,725 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,725 INFO L175 Difference]: Start difference. First operand has 100 places, 96 transitions, 230 flow. Second operand 6 states and 2757 transitions. [2023-11-19 08:07:19,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 243 transitions, 978 flow [2023-11-19 08:07:19,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 243 transitions, 978 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:07:19,731 INFO L231 Difference]: Finished difference. Result has 104 places, 95 transitions, 240 flow [2023-11-19 08:07:19,732 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=240, PETRI_PLACES=104, PETRI_TRANSITIONS=95} [2023-11-19 08:07:19,732 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2023-11-19 08:07:19,733 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 95 transitions, 240 flow [2023-11-19 08:07:19,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 428.6666666666667) internal successors, (2572), 6 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:19,734 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:19,734 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:19,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 08:07:19,734 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:19,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:19,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1419881613, now seen corresponding path program 1 times [2023-11-19 08:07:19,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:19,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932783148] [2023-11-19 08:07:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:20,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:20,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932783148] [2023-11-19 08:07:20,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932783148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:20,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:20,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:20,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067204791] [2023-11-19 08:07:20,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:20,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:20,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:20,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:20,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 919 [2023-11-19 08:07:20,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 95 transitions, 240 flow. Second operand has 6 states, 6 states have (on average 400.6666666666667) internal successors, (2404), 6 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:20,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:20,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 919 [2023-11-19 08:07:20,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:21,407 INFO L124 PetriNetUnfolderBase]: 3344/5910 cut-off events. [2023-11-19 08:07:21,408 INFO L125 PetriNetUnfolderBase]: For 1069/1069 co-relation queries the response was YES. [2023-11-19 08:07:21,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12606 conditions, 5910 events. 3344/5910 cut-off events. For 1069/1069 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 33208 event pairs, 1637 based on Foata normal form. 76/5570 useless extension candidates. Maximal degree in co-relation 12598. Up to 3230 conditions per place. [2023-11-19 08:07:21,448 INFO L140 encePairwiseOnDemand]: 887/919 looper letters, 101 selfloop transitions, 28 changer transitions 0/146 dead transitions. [2023-11-19 08:07:21,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 146 transitions, 652 flow [2023-11-19 08:07:21,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:21,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2513 transitions. [2023-11-19 08:07:21,458 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45574900253899164 [2023-11-19 08:07:21,458 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2513 transitions. [2023-11-19 08:07:21,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2513 transitions. [2023-11-19 08:07:21,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:21,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2513 transitions. [2023-11-19 08:07:21,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 418.8333333333333) internal successors, (2513), 6 states have internal predecessors, (2513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,479 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,479 INFO L175 Difference]: Start difference. First operand has 104 places, 95 transitions, 240 flow. Second operand 6 states and 2513 transitions. [2023-11-19 08:07:21,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 146 transitions, 652 flow [2023-11-19 08:07:21,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 146 transitions, 624 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 08:07:21,484 INFO L231 Difference]: Finished difference. Result has 99 places, 90 transitions, 274 flow [2023-11-19 08:07:21,486 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=274, PETRI_PLACES=99, PETRI_TRANSITIONS=90} [2023-11-19 08:07:21,486 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -41 predicate places. [2023-11-19 08:07:21,487 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 90 transitions, 274 flow [2023-11-19 08:07:21,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 400.6666666666667) internal successors, (2404), 6 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:21,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:07:21,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:21,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-19 08:07:21,488 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-19 08:07:21,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:07:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash 887167023, now seen corresponding path program 1 times [2023-11-19 08:07:21,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:07:21,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032074117] [2023-11-19 08:07:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:07:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:07:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:07:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:07:21,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:07:21,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032074117] [2023-11-19 08:07:21,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032074117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:07:21,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:07:21,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:07:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035361573] [2023-11-19 08:07:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:07:21,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:07:21,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:07:21,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:07:21,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:07:22,343 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 919 [2023-11-19 08:07:22,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 90 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 428.5) internal successors, (2571), 6 states have internal predecessors, (2571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:22,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:07:22,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 919 [2023-11-19 08:07:22,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:07:23,365 INFO L124 PetriNetUnfolderBase]: 2581/5324 cut-off events. [2023-11-19 08:07:23,365 INFO L125 PetriNetUnfolderBase]: For 697/697 co-relation queries the response was YES. [2023-11-19 08:07:23,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11601 conditions, 5324 events. 2581/5324 cut-off events. For 697/697 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 34055 event pairs, 1820 based on Foata normal form. 0/4956 useless extension candidates. Maximal degree in co-relation 11593. Up to 3551 conditions per place. [2023-11-19 08:07:23,384 INFO L140 encePairwiseOnDemand]: 914/919 looper letters, 0 selfloop transitions, 0 changer transitions 229/229 dead transitions. [2023-11-19 08:07:23,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 229 transitions, 1094 flow [2023-11-19 08:07:23,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:07:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:07:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2745 transitions. [2023-11-19 08:07:23,395 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49782372143634385 [2023-11-19 08:07:23,395 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2745 transitions. [2023-11-19 08:07:23,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2745 transitions. [2023-11-19 08:07:23,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:07:23,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2745 transitions. [2023-11-19 08:07:23,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 457.5) internal successors, (2745), 6 states have internal predecessors, (2745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,416 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 919.0) internal successors, (6433), 7 states have internal predecessors, (6433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,416 INFO L175 Difference]: Start difference. First operand has 99 places, 90 transitions, 274 flow. Second operand 6 states and 2745 transitions. [2023-11-19 08:07:23,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 229 transitions, 1094 flow [2023-11-19 08:07:23,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 229 transitions, 942 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 08:07:23,424 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2023-11-19 08:07:23,424 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=919, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2023-11-19 08:07:23,425 INFO L281 CegarLoopForPetriNet]: 140 programPoint places, -42 predicate places. [2023-11-19 08:07:23,425 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2023-11-19 08:07:23,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 428.5) internal successors, (2571), 6 states have internal predecessors, (2571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:07:23,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (100 of 101 remaining) [2023-11-19 08:07:23,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2023-11-19 08:07:23,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2023-11-19 08:07:23,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2023-11-19 08:07:23,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2023-11-19 08:07:23,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2023-11-19 08:07:23,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2023-11-19 08:07:23,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2023-11-19 08:07:23,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2023-11-19 08:07:23,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2023-11-19 08:07:23,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2023-11-19 08:07:23,435 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2023-11-19 08:07:23,436 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2023-11-19 08:07:23,437 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2023-11-19 08:07:23,438 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2023-11-19 08:07:23,439 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2023-11-19 08:07:23,440 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2023-11-19 08:07:23,441 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2023-11-19 08:07:23,442 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2023-11-19 08:07:23,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2023-11-19 08:07:23,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-19 08:07:23,443 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:07:23,453 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:07:23,453 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:07:23,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:07:23 BasicIcfg [2023-11-19 08:07:23,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:07:23,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:07:23,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:07:23,462 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:07:23,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:56" (3/4) ... [2023-11-19 08:07:23,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:07:23,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 08:07:23,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 08:07:23,477 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 08:07:23,478 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:07:23,478 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:07:23,479 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:07:23,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:07:23,598 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:07:23,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:07:23,598 INFO L158 Benchmark]: Toolchain (without parser) took 28218.10ms. Allocated memory was 182.5MB in the beginning and 750.8MB in the end (delta: 568.3MB). Free memory was 138.2MB in the beginning and 404.0MB in the end (delta: -265.8MB). Peak memory consumption was 304.6MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,599 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 61.2MB in the beginning and 61.0MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:07:23,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.47ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 124.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.18ms. Allocated memory is still 182.5MB. Free memory was 124.8MB in the beginning and 121.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,600 INFO L158 Benchmark]: Boogie Preprocessor took 87.95ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 118.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,600 INFO L158 Benchmark]: RCFGBuilder took 1019.91ms. Allocated memory is still 182.5MB. Free memory was 118.6MB in the beginning and 142.3MB in the end (delta: -23.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,601 INFO L158 Benchmark]: TraceAbstraction took 26539.97ms. Allocated memory was 182.5MB in the beginning and 750.8MB in the end (delta: 568.3MB). Free memory was 141.7MB in the beginning and 409.3MB in the end (delta: -267.6MB). Peak memory consumption was 547.2MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,601 INFO L158 Benchmark]: Witness Printer took 135.95ms. Allocated memory is still 750.8MB. Free memory was 409.3MB in the beginning and 404.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:07:23,604 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 61.2MB in the beginning and 61.0MB in the end (delta: 134.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.47ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 124.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.18ms. Allocated memory is still 182.5MB. Free memory was 124.8MB in the beginning and 121.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.95ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 118.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1019.91ms. Allocated memory is still 182.5MB. Free memory was 118.6MB in the beginning and 142.3MB in the end (delta: -23.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26539.97ms. Allocated memory was 182.5MB in the beginning and 750.8MB in the end (delta: 568.3MB). Free memory was 141.7MB in the beginning and 409.3MB in the end (delta: -267.6MB). Peak memory consumption was 547.2MB. Max. memory is 16.1GB. * Witness Printer took 135.95ms. Allocated memory is still 750.8MB. Free memory was 409.3MB in the beginning and 404.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.7s, 421 PlacesBefore, 140 PlacesAfterwards, 436 TransitionsBefore, 144 TransitionsAfterwards, 35960 CoEnabledTransitionPairs, 8 FixpointIterations, 123 TrivialSequentialCompositions, 258 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 49 ConcurrentYvCompositions, 11 ChoiceCompositions, 460 TotalNumberOfCompositions, 135458 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42370, independent: 40828, independent conditional: 0, independent unconditional: 40828, dependent: 1542, dependent conditional: 0, dependent unconditional: 1542, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 20664, independent: 20363, independent conditional: 0, independent unconditional: 20363, dependent: 301, dependent conditional: 0, dependent unconditional: 301, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42370, independent: 20465, independent conditional: 0, independent unconditional: 20465, dependent: 1241, dependent conditional: 0, dependent unconditional: 1241, unknown: 20664, unknown conditional: 0, unknown unconditional: 20664] , Statistics on independence cache: Total cache size (in pairs): 1459, Positive cache size: 1334, Positive conditional cache size: 0, Positive unconditional cache size: 1334, Negative cache size: 125, Negative conditional cache size: 0, Negative unconditional cache size: 125, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 715 locations, 101 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 26.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1772 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1132 mSDsluCounter, 117 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 610 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3653 IncrementalHoareTripleChecker+Invalid, 4263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 610 mSolverCounterUnsat, 117 mSDtfsCounter, 3653 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:07:23,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4351b3d8-3685-47cc-bcc8-c65f34d03195/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE